(ii) Today, 7 students of our class are absents. There are 35 students in our class. Let us find the percentage of students persent today in class.

30 students of my class were present. Total number of students in our class is 60. Let's find what percent of students have come to my class.

0.23 parts of students of our class are girls. Let's find the percentage of girl students out of all the student of our class.

In the mathematics examination, 60% students of our class got more than 80 marks. If there are 50 students in our class, Let's find how many have got above 80.

In Noorjahan's class 30% of the students are girls. There are 60 students in the class. Let's calculate to find the number of boys in Noorjahan's class.

Today is the Foundation day of our school. Each student of class five will be given pencil and eraser worth 5 rupees. Each student of class six will be given compass worth of 10 rupees. There are x students present in class five, but number of students present in class six is 8 less than the number present in class five. Calculate the amount of money spent for pencils and erasers and also the amount spent for compasses.

On the occasion of Dipawali festival each student of a class sends greeting cards to others. If there are 20 students in the class, the number of cards sends by students is

There are 30 boys and 20 girls in Supriay's class. Let's find the ratio of number of boys to number of girls in Supriya's class.

The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

The number of students in a class is 60 . The average of the ages of the boy-students is 14.5 years and the average of the ages of the girl-students is 16 years . If the collective average of the total students be 15 years , then find the number of boy-students and the number of girl-students.